Answer:c
Explanation: Tertiary storage involves a robotic mechanism which will mount (insert) and dismount removable mass storage media into a storage device according to the system’s demands; this data is often copied to secondary storage before use.

2. Operating system is responsible for
a) disk initialization
b) booting from disk
c) bad-bock recovery
d) all of the mentionedView Answer

Answer:d
Explanation: Tertiary storage involves a robotic mechanism which will mount (insert) and dismount removable mass storage media into a storage device according to the system’s demands; this data is often copied to secondary storage before use.

3. A typical tape drive is ________ a typical disk drive.
a) more expensive than
b) cheaper than
c) of the same cost as
d) None of theseView Answer

Answer:a
Explanation: Tertiary storage involves a robotic mechanism which will mount (insert) and dismount removable mass storage media into a storage device according to the system’s demands; this data is often copied to secondary storage before use.

4. During recovery from a failure
a) each pair of physical block is examined
b) specified pair of physical block is examined
c) first pair of physical block is examined
d) none of the mentionedView Answer

Answer:a
Explanation: Tertiary storage involves a robotic mechanism which will mount (insert) and dismount removable mass storage media into a storage device according to the system’s demands; this data is often copied to secondary storage before use.

Answer:c and d
Explanation:Tertiary storage involves a robotic mechanism which will mount (insert) and dismount removable mass storage media into a storage device according to the system’s demands; this data is often copied to secondary storage before use.

6. Which of the following is the process of selecting the data storage and data access characteristics of the database?
a) Logical database design
b) Physical database design
c) Testing and performance tuning
d) Evaluation and selectingView Answer

Answer:b
Explanation: Physical database design is the process of selecting the data storage and data access characteristics of the database.

7. The replacement of a bad block generally is not totally automatic because
a) data in bad block can not be replaced
b) data in bad block is usually lost
c) bad block does not contain any data
d) none of the mentionedView Answer

Answer:b
Explanation: Physical database design is the process of selecting the data storage and data access characteristics of the database.

8. Which of the following is the oldest database model?
a) Relational
b) Hierarchical
c) Physical
d) NetworkView Answer

10. Which one of the following is not a secondary storage?
a) magnetic disks
b) magnetic tapes
c) RAM
d) none of the mentionedView Answer

Answer:c
Explanation: Tertiary storage involves a robotic mechanism which will mount (insert) and dismount removable mass storage media into a storage device according to the system’s demands; this data is often copied to secondary storage before use.